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Apply structured assertion messages (RFC 012) to Assert.MatchesRegex / DoesNotMatchRegex #8259

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Merged
Evangelink merged 5 commits into from
May 16, 2026

Remove unused BuildUserMessageFor* helpers after merge

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Merged

Apply structured assertion messages (RFC 012) to Assert.MatchesRegex / DoesNotMatchRegex #8259

Remove unused BuildUserMessageFor* helpers after merge
17da894
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Azure Pipelines / microsoft.testfx failed May 16, 2026 in 37m 13s

Build #20260516.36 had test failures

2 errors / 6 warnings

Details

Tests

  • Failed: 1 (0.00%)
  • Passed: 20,602 (99.07%)
  • Other: 192 (0.92%)
  • Total: 20,795

Annotations

Check failure on line 259 in src/TestFramework/TestFramework/Assertions/Assert.AreEqual.cs

See this annotation in the file changed.

@azure-pipelines azure-pipelines / microsoft.testfx

src/TestFramework/TestFramework/Assertions/Assert.AreEqual.cs#L259 

src/TestFramework/TestFramework/Assertions/Assert.AreEqual.cs(259,1): error : [VSTest_DiscoverTests_Succeeds ("net10.0")] [net11.0] Assert.AreEqual failed. Expected:<0>. Actual:<1>. 'expected' expression: '0', 'actual' expression: 'testResult.ExitCode'. dotnet test --list-tests failed:
Telemetry is: Disabled
  Determining projects to restore...
  All projects are up-to-date for restore.
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018: The "GenerateRuntimeConfigurationFiles" task failed unexpectedly. [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018: System.IO.IOException: The process cannot access the file '/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/bin/Release/net10.0/TelemetryVSTestProject.runtimeconfig.json' because it is being used by another process. [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Win32.SafeHandles.SafeFileHandle.Init(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Int64& fileLength, UnixFileMode& filePermissions) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, UnixFileMode openPermissions, Int64& fileLength, UnixFileMode& filePermissions, Boolean failForSymlink, Boolean& wasSymlink, Func`4 createOpenException) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at System.IO.File.Create(String path) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.GenerateRuntimeConfigurationFiles.WriteToJsonFile(String fileName, Object value) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.GenerateRuntimeConfigurationFiles.WriteRuntimeConfig(RuntimeFramework[] runtimeFrameworks, LockFileTargetLibrary platformLibrary, Boolean isFrameworkDependent, IList`1 packageFolders) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.GenerateRuntimeConfigurationFiles.ExecuteCore() [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.TaskBase.Execute() [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Build.BackEnd.TaskExecutionHost.Execute() [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(TaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]

Check failure on line 6979 in Build log

See this annotation in the file changed.

@azure-pipelines azure-pipelines / microsoft.testfx

Build log #L6979 

Bash exited with code '2'.

Check failure on line 1 in MSTest.Acceptance.IntegrationTests.TelemetryTests.VSTest_DiscoverTests_Succeeds ("net10.0")

See this annotation in the file changed.

@azure-pipelines azure-pipelines / microsoft.testfx

MSTest.Acceptance.IntegrationTests.TelemetryTests.VSTest_DiscoverTests_Succeeds ("net10.0") 

Assert.AreEqual failed. Expected:<0>. Actual:<1>. 'expected' expression: '0', 'actual' expression: 'testResult.ExitCode'. dotnet test --list-tests failed:
Telemetry is: Disabled
  Determining projects to restore...
  All projects are up-to-date for restore.
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018: The "GenerateRuntimeConfigurationFiles" task failed unexpectedly. [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018: System.IO.IOException: The process cannot access the file '/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/bin/Release/net10.0/TelemetryVSTestProject.runtimeconfig.json' because it is being used by another process. [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Win32.SafeHandles.SafeFileHandle.Init(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Int64& fileLength, UnixFileMode& filePermissions) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, UnixFileMode openPermissions, Int64& fileLength, UnixFileMode& filePermissions, Boolean failForSymlink, Boolean& wasSymlink, Func`4 createOpenException) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable`1 unixCreateMode) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at System.IO.File.Create(String path) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.GenerateRuntimeConfigurationFiles.WriteToJsonFile(String fileName, Object value) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    at Microsoft.NET.Build.Tasks.GenerateRuntimeConfigurationFiles.WriteRuntimeConfig(RuntimeFramework[] runtimeFrameworks, LockFileTargetLibrary platformLibrary, Boolean isFrameworkDependent, IList`1 packageFolders) [/mnt/vss/_work/1/s/artifacts/tmp/Debug/testsuite/4LGny/TelemetryTests/vstest/TelemetryVSTestProject.csproj::TargetFramework=net10.0]
/mnt/vss/_work/1/s/.dotnet/sdk/11.0.100-preview.5.26227.104/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.Sdk.targets(404,5): error MSB4018:    a
Raw output 
   at Microsoft.VisualStudio.TestTools.UnitTesting.Assert.ReportAssertAreEqualFailed(Object expected, Object actual, String userMessage) in /_/src/TestFramework/TestFramework/Assertions/Assert.AreEqual.cs:line 259
   at Microsoft.VisualStudio.TestTools.UnitTesting.Assert.AssertAreEqualInterpolatedStringHandler`1.ComputeAssertion(String expectedExpression, String actualExpression) in /_/src/TestFramework/TestFramework/Assertions/Assert.AreEqual.InterpolatedStringHandlers.cs:line 52
   at Microsoft.VisualStudio.TestTools.UnitTesting.Assert.AreEqual[T](T expected, T actual, AssertAreEqualInterpolatedStringHandler`1& message, String expectedExpression, String actualExpression) in /_/src/TestFramework/TestFramework/Assertions/Assert.AreEqual.cs:line 84
   at MSTest.Acceptance.IntegrationTests.TelemetryTests.VSTest_DiscoverTests_Succeeds(String tfm) in /_/test/IntegrationTests/MSTest.Acceptance.IntegrationTests/TelemetryTests.cs:line 150
   at Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.Execution.TestMethodInfo.ExecuteInternalAsync(Object[] arguments, CancellationTokenSource timeoutTokenSource) in /_/src/Adapter/MSTestAdapter.PlatformServices/Execution/TestMethodInfo.Execution.cs:line 129
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